64 molecules will be present in the container after the reaction is completed.
What is meant by reactant and product?The reaction of compounds and molecules occurs in the presence of the reactants and produces products through various means.
The reaction is : 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)
We can see that 5 molecules of oxygen are present for 4 molecules of ammonia.
If the container had initially, 10 molecules of oxygen and 52 molecules of ammonia then,
As 4 molecules of NH3 reacts with 5 molecules of O2
52 molecules of NH3 reacts with X molecules of O2
we get, X= 52 *5/4
So, 65 molecules of O2
From this, it can be said that the oxygen is the limiting reagent;
And 5 molecules of O2 reacts with 4 molecules of NH3
10 molecules O2 reacts with X molecules of NH3
X for Ammonia:
X = 4* 10/5
So, 8 molecules of NH3
As, 5 molecules of O2 = 4 molecules of NO
and 10 molecules of O2 = X molecules of NO
X for nitric oxide:
X = 4* 10/5
So, 8 molecules of NO
As, 5 molecules of = 6 molecules of
and 10 molecules of = X molecules of
X for water
X = 4* 10/5
So, 8 molecules of H2O
Total molecules will be:
44 molecules of NH3 + 8molecules of + 12 molecules of H2O = 64 molecules
Hence 64 molecules are produced.
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The osmotic pressure is 1.66 torr at 21 °c for a solution containing 7.50 mg of a protein dissolved in water to give 10.00 ml of solution. determine the molar mass of the protein.
The molar mass of the protein is 13963.42 g/mol.
What is the osmotic pressure van't Hoff equation?This section's linear curve closely resembles the linear equation for the van't Hoff osmotic pressure formula, which is n/VRT or [Ci]RT.One mole of a material has a mass known as its molar mass. The molar mass of a material in grammes is equal to the atomic mass of that substance in atomic mass units.osmotic pressure (w 2 )=0.166g, R=0.075 Latm/(kmol), T= 21K =10.00 mm of Hg, which equals 7.50 /10.00 =0.0175 atm.
Solution volume: 0.01L
Making use of the formula M 2 = V W /2 RT
We obtain M 2 = 0.075*0.01*0.01 / 0.075*21 = 13963.42 g/mol.
The molar mass of the protein is 13963.42 g/mol.
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what would the hydrogen ion concentration be if the poh was 5. what would the hydroxide ion concentration be if the hydrogen ion concentration was 1 x 10-6 m? what would the ph of a solution that had a hydroxide ion concentration of 1 x 10-8 m be? what would the ph of a solution that had a hydroxide ion concentration of 3.2 x 10-8 m be? what would the hydroxide ion concentration be if the hydrogen ion concentration was 8.6 x 10-8 m?
The pH of hydroxide ion be if the hydrogen ion concentration was 1 x 10-6 m is 8.
How can you determine a solution's pH?You need to know the hydronium ion concentration in moles per litre to determine the pH of an aqueous solution molarity. The equation pH = - log [H3O+] is then used to determine the pH. Seven is the neutral pH. An increase in pH above 7 indicates an increase in alkalinity, whereas a fall in pH below 7 indicates an increase in acidity (hydrogen ions) (hydroxyl ions). Each pH unit corresponds to a concentration change of 10 times.
Total H+ is 1x 10–6M;
pH = -log[H+] =6; pOH = 14–6 = 8
(OH-)=3.2 x 10-8 M
So, pOH=-log(OH-)
=-log(3.2 x 10-8) => 7.49
How acidic is pure water?Pure water (H20) has a pH of 7 at 25 °C, but when exposed to atmospheric carbon dioxide, this equilibrium results in a pH of about 5.2.
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Two atoms have the following nuclear composition.
What is the relation between the two species?
Isobars
Isodiaphers
Isotopes
Isotones
The relation between the two chemical species is isotopes, as they have the same atomic number (17) but different number of neutrons (18 and 20 respectively), based on the available question.
The relation between the two species is isotopes if they have the same number of protons but a different number of neutrons.
If they have the same number of neutrons but different number of protons then it is Isotones.
If they have the same number of protons and neutrons but different atomic number then it is Isodiaphers.
If they have the same atomic mass but different atomic number then it is Isobars.
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The correct question can be:
Two atoms A and B have the following nuclear composition: Atom A consists of 17 protons, 18 neutrons, and 17 electrons, and atom B consists of 17 protons, 20 neutrons, and 17 electrons
What is the relation between the two chemical species?
a. Isobars
b. Isodiaphers
c. Isotopes
d. Isotones
in terms of binding energy per nucleon, what element divides fission and fusion processes?
The Fe (Iron) element separates the and fusion processes according to of interaction energy per nucleon.
Why do you use the word fission?A bigger atom undergoes fission when a neutron smashes into it, causing it to excite , separate into two smaller atoms, also referred to as fission products. A chain reaction may be started by other neutrons that are also emitted. An enormous quantity of energy is produced when each atom divides.
What does fusion vs. fission mean?By dissolving large, heavy atoms, like uranium, into smaller ones, like iodine, caesium, strontium, xenon, and barium, to mention just a few, fission produces energy. To create the heavier helium, fusion combines light atoms, such as the two hydrogen isotopes deuterium and tritium.
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Write a balanced symbol equation for the formation of phosphorus pentachloride from 72g of phosphorus trichloride and excess oxygen. Use this to calculate the mass of phosphorous pentachloride produced. State and explain the atom economy for this reaction.
Chlorine gas has the the chemical formula [tex]Cl_{2}[/tex] ,Solid phosphorus has the chemical formula [tex]P_{4}[/tex] ,Phosphorous pentachloride has the chemical formula [tex]PCl_{5}[/tex], The final balanced equation is [tex]P_{4}[/tex] + 10 [tex]Cl_{2}[/tex] ...........> 4 [tex]PCl_{5}[/tex],
What effects does chlorine gas have on people?distorted vision blisters, redness, and burning sensation on the skin after exposure to gas. If skin is subjected to liquid chlorine, it may suffer injuries resembling frostbite. feeling of burning in the eyes, throat, and nose.
Is chlorine gas palatable?The taste and smell of chlorine gas are both disagreeable. In concentrations as low as 1 part of every million, it can be detected (ppm). As an oxidizing agent, chlorine corrodes the metals used in plumbing and kitchen appliances. Equipment gaskets might become brittle due to corrosion from chlorine.
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during photosynthesis, carbon dioxide (co2), and water (h2o) combines to yield (make) glucose (c6h12o6) and oxygen (o2). what is the balanced chemical equation for this reaction?
The balanced chemical equation for this reaction is 6CO2+6H2O+Δ→C6H12O6+6O2 that the reaction is balanced with respect to mass and charge .
What do we mean by chemical?A chemical is any substance that has a defined composition. In other words, a chemical is always made up of the same "stuff." Some chemicals occur in nature, such as water. Other chemicals are manufactured, such as chlorine (used for bleaching fabrics or in swimming pools).
What are chemical examples?Air, water, iron, gasoline, clothing, stones, furniture, plastics, plants, food are all composed of chemicals, some natural, some synthetic. Chemicals can be single chemical molecules, like water, or mixtures of different chemicals. Air is a mixture nitrogen, oxygen, water, carbon dioxide + other chemicals.
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Rank the following acids from weakest to strongest acids:
A) HFO2, HClO2, HBrO2, HIO2
B) HIO, HIO2, HIO3, HIO4
C) The following acids are dissolved in a nonaqueous solvent such as acetone: HF, HCl, HBr, HI
The ranking of the given acids from weakest to strongest can be as follows:
A) HFO2 < HClO2 < HBrO2 < HIO2
B) HIO < HIO2 < HIO3 < HIO4
C) HF < HCl < HBr < HI
How can one determine acidity?Acidity is determined by the strength of the acid's bond to its hydrogen ion (H+). The weaker the bond, the stronger the acid. In general, acid strength increases as you go down a group in the periodic table and as the oxidation state of the central atom increases.
A) The order of acidity is based on the oxidation state of the central atom, Oxygen has -1 oxidation state, hence HIO2 has the highest oxidation state and would be the strongest acid.
B) The order of acidity is based on the oxidation state of the central atom, Iodine has -1 oxidation state and -3 oxidation state, hence HIO4 has the highest oxidation state and would be the strongest acid.
C) The order of acidity is based on the electronegativity of the central atom, Fluorine is the most electronegative element hence HF is the strongest acid, and Iodine is the least electronegative element hence HI is the weakest acid.
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calculate the molarity of a solution made by diluting 300. ml of a 18.0m hcl solution to a volume of 3500.ml.
Molarity is a unit of concentration that expresses the number of moles of solute per liter of solution. To calculate the molarity of a solution made by diluting a concentrated solution, you can use the following formula:
Molarity = moles of solute / liters of solution
First, you have to calculate the number of moles of solute in the original solution, you can use the formula:
moles of solute = molarity x liters of solution
moles of solute = 18.0 M x 0.3 L = 5.4 moles
Then, you can use this value to calculate the molarity of the dilute solution:
Molarity of dilute solution = moles of solute / liters of solution
Molarity of dilute solution = 5.4 moles / 3.5 L = 1.54 M
So, the dilute solution has a molarity of 1.54 M.
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Find the percent composition of Carbon in a substance that contains 2.59 g Carbon, 39.56 g Sulfur, and 43.03 g of Oxygen
To find the percent composition of Carbon in a substance, you need to calculate the percent of the total mass that is made up of Carbon.
The first step is to add up the masses of all the elements in the substance to get the total mass:
2.59 g Carbon + 39.56 g Sulfur + 43.03 g Oxygen = 85.18 g
Next, divide the mass of Carbon by the total mass and multiply by 100 to get the percent of the total mass that is Carbon:
(2.59 g Carbon / 85.18 g) * 100 = 3.03% Carbon
So, the percent composition of Carbon in the substance is 3.03%.
which is the lowest energy level that can have a s orbital ?
The lowest energy sublevel is always the 1s sublevel, which consists of one orbital
Why is the energy of the s orbital lower?Because it is less effectively insulated, a 2s electron has a larger effective nuclear charge and is retained closer to the nucleus than a 2p electron, resulting in a lower energy for the 2s orbital.
The 1s sublevel, which consists of one orbital, is always the lowest energy sublevel. When the hydrogen atom is in its ground state, its solitary electron will occupy the 1s orbital.
An s-type subshell will have the lowest energy and an f-type subshell will have the greatest energy for the same main quantum number value, thus four electrons with the same principal quantum number. The energy of the electron increases as the secondary quantum number increases.
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Assume that you have the following perceptron with the assigned weights and the input values as shown. Further assuming that your perceptron will use an activation function based upon a simple step function with a threshold value of .5 (summation of weighted inputs must exceed .5), will the neuron fire and output a value and if so what value
Additionally assuming that your perceptron will employ an activation function based on a straightforward step function with a threshold value of 0.5, resulting in a no-value condition where it will not fire.
What is meant by perceptron?An artificial neuron is known as a perceptron. The simplest Neural Network is this one. The foundation of machine learning is comprised on neural networks. The perceptron is a technique for supervised learning for binary classifiers in machine learning. Using a vector of integers as input, a binary classifier is indeed a function that can determine whether or not the input belongs to a particular class.
Why is perceptron used?The data is often divided into two categories using perceptron. It also goes by the name Linear Binary Classifier for this reason. If you want to better comprehend machine learning offline as well. The bias term is a useful feature since it provides a second model parameter (in addition to weights) that may be adjusted to optimise the model's performance on training data. The bias weight's input value can be changed, and the default value is 1.
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i need help with these 3 questions ! please !!
( giving brainly )
Answer:
Explanation q4 : the atomic radius increases. As you move down a group , the number of energy levels increase and the distance between the nucleus and outermost shell largens. Hope this helps!how many hydrogen atoms are in an unbranched alkene with one double bond and 5 carbon atoms?
A five-carbon unbranched alkene with a single double bond contains hydrogen atoms. hence, there are five carbon atoms in all. One double bond is also present. Currently, hydrogen is usable. We now have two hydrogens.
Is hydrogen produced by any plants?In the process of photosynthesis, plants split water into nitrogen and oxygen with the help of sunlight, and then mix the generated hydrogen with atmospheric carbon dioxide to produce carbohydrates.
Do bodies benefit from hydrogen?Many of the factors implicated in the pathophysiology and etiology of the metabolic syndrome and the diseases it is associated with have been linked to molecular hydrogen's ability to attenuate peroxidation, enhance cellular function, and decrease chronic inflammation5.
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Silver bromide is used on film for producing holograms. If 3. 5 mol silver nitrate react in a double replacement reaction with excess sodium bromide to produce silver bromide, what mass of silver bromide is formed?
With sodium bromide and silver nitrate In this instance, sodium bromide (NaBr) is mixed with silver nitrate (AgNO3). The final product is white precipitate.
What use did silver nitrate serve?A drug called silver nitrate is employed during the cauterization procedure, which involves burning away skin in order to stop hemorrhage or stop an infection from spreading to a wound. Warts and granulation tissue (red, lumpy tissue covering a healing lesion) are other skin conditions that can be treated with it.
How is silver nitrate used to treat wounds?Contact with moisture causes the silver stick to work. When administered to wounds, potassium iodide sticks provide free substances to the tissue, which attach to tissue and clog blood vessels to produce an eschar.
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Part A : What is the strength of an electric field that will balance the weight of a proton?Part B : What is the direction of an electric field that will balance the weight of a proton? upward / downwardPart C : What is the strength of an electric field that will balance the weight of a electron?
Part A: The strength of an electric field that will balance the weight of a proton is approximately 9.8 N/C (or 9.8 x 10^9 N/C).
Part B: The direction of an electric field that will balance the weight of a proton is upward.
Part C: The strength of an electric field that will balance the weight of a electron is approximately 9.8 x 10^16 N/C.
Part A: The weight of a proton is given by the equation F=mg, where F is force, m is the mass of proton and g is the acceleration due to gravity. The mass of proton is 1.67 x 10^-27 kg. So F = 1.67 x 10^-27 kg x 9.8 m/s^2 = 1.63 x 10^-26 N. The strength of an electric field required to balance the weight of a proton is the force acting on the proton divided by the charge of proton, which is approximately 9.8 x 10^9 N/C.
Part B: The weight of a proton is an upward force and the electric field that will balance this force will also be upward.
Part C: Similarly, the weight of an electron is given by the equation F=mg, where F is force, m is the mass of electron and g is the acceleration due to gravity. The mass of an electron is 9.11 x 10^-31 kg. So F = 9.11 x 10^-31 kg x 9.8 m/s^2 = 8.89 x 10^-31 N. The strength of an electric field required to balance the weight of an electron is the force acting on the electron divided by the charge of electron, which is approximately 9.8 x 10^16 N/C.
electric fields we must take into account that the charge of the proton is positive and the charge of electron is negative.
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piece of chromium metal with a mass of 24.26g is heated in boiling water to 98.3 o c and then dropped into a coffee cup calorimeter containing 82.3g of water at 23.3 o c. when thermal equilibrium is reached, the final temperature is 25.6 o c. calculate the specific heat capacity of chromium.
As a result, chromium has a specific heat of 20.79 J/g C.
What is a Metal ?Metals are bright, opaque materials that efficiently conduct electricity and heat. Most metals are malleable and ductile, and they frequently have a higher density than other elements. When newly treated, polished, or broken, a material takes on a bright look and conducts heat and electricity reasonably well. Generally speaking, metals are malleable and ductile.
What Are Metals Made up of?Electrons, neutrons, and protons are the building blocks of metals. The number of protons in an atom allows scientists to distinguish between atoms of different elements. The earth's crust contains around 25% metals.
The following formula is used to determine the heat(Q).
Q = m(s)(ΔT)
Here, m denotes the mass of the body, s denotes its specific heat, and T is the temperature change.
As a result, the heat lost by titanium metal equals the heat received by the water in the calorimeter.
(msΔT)Titanium= (msΔT)Water
Adding the indicated numbers to the equation above
24.26 x s x 98.3-25.6 = 82.3 x 23.3 x 25.6-23.3
s = 20.79 J/g C
Consequently, titanium has a specific heat of 20.79 J/g C.
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Shira is pushing a table toward Dominic with a force of 12 newtons (N). Dominic wants to stop the table from moving.
How much force will Dominic need to apply to stop the table from moving?
According to the Newton’s first law of motion, the force that Dominic needs to apply in order to stop the table from moving is 12 Newtons
Newton brought a further level of specificity to the aforementioned assertion by expressing the concept of force, which is a vector variable. His First Law states that an object that has a net force of zero operating on it will either remain at rest if it was initially at rest or it will maintain a constant velocity if it was initially moving at a constant speed. If the forces were balanced, then they would nullify one another and disappear. Because of this, the overall force is equal to zero.
To make zero net force, we can calculate it by:
Net force = Shira’s force + Dominic’s force
0 = 12 N + Dominic’s force
Dominic’s force = - 12 N or 12 N (opposite direction)
Hence, Dominic needs to apply 12N (opposite direction) to stop the table from moving.
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Please answer my question.
Explanation:
Ionizable Amino Acids
Seven out of the twenty amino acids contain readily ionizable side chain groups. That means that at specific pH values, each side chain can participate in an acid-base reaction in which it can exchange a hydrogen atom with some other biomolecule. Since these side chains can form ions, that implies that they can also participate in forming ionic bonds. On top of these seven amino acids with ionizable side chains, all of the amino acids contain an ionizable alpha amino group and an alpha carboxyl group. The pKa value of each side chain group determines the pH value at which there will be equal concentrations of the acid and its conjugate base. The pKa value of the alpha amino group is 3.1 while the pKa value of the alpha amino group is 8.0. The pkA values of glutamic acid and aspartic acid are 4.1, the pKa of cysteine is 6.0, the pKa value of lysine is 8.3, the pKa value of lysine is 10.8, the pKa value of tyrosine is 10.9 and the pKa value of arginine is 12.5.
How many formula units are in a sample of salt with a mass of 67.69 grams
Answer:
1.16mol of NaCl
Explanation:
Question:
1. How many formula units are in 67.69 grams of salt?
2. How many molecules are in 44.99 grams of water?
Converting mass to moles:
In a given amount of moles (n) of a substance there will be a given amount of mass (m) of that substance. m and n are related by the molar mass (M):
m = n x M
Hence, if we want to find n, we must rearrange the equation:
n = m/M
Answer and Explanation:
The word 'salt' in this question will be assumed to mean table salt - sodium chloride, NaCl - with a molar mass of 58.44g/mol.
Hence, 67.96g will contain 67.69g / 58.44g/mol = 1.16mol of NaCl.
We convert from moles to number of molecules/formula units by multiplying by Avogadro's constant(6.02×10²³):
1.16 x 6.02×10²³ = 6.98×10²³
formula units of NaCl
Water has a molar mass of 18.02g/mol. Therefore, 44.99g of water will represent 44.99g / 18.02g/mol = 2.50mol of water.
2.50 x
6.02
×
10
23
=
1.505
×
10
24
molecules of water
what is the pH of a 0.014 M Ca(OH)2 solution?
the answer is supposed to be 12.45 but i keep getting12.15
here is how i am doing it
-log(0.014)=1.85
then i do 14-1.85=12.15
what am i doing wrong???
step by step gets lifesaver!!!
Ca(OH)2 entirely separates into Ca + and OH- ions due to its strong basic nature.
Is NH3 a powerful base?A example weak base is ammonia. Hydroxide ions are plainly absent from ammonia itself, but they are produced when it interacts with water. At any one time, roughly 99% of the ammonia is still present as ammonia molecules since the process is reversible.
Is NaOH a powerful base?NaOH totally separates from water to produce Na+ and OH. Because all accessible [OH] in NaOH is present in solution as [OH] and ready to take protons, it is regarded as a strong base.
[ OH-] = 2 *0.014M
= 0.028 M
pOH = - log ( 0.028 )
= 1.55
pH = 14 - pOH
= 12.44
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the empirical formula for the two compounds that have very diffrent properties is ch2). if the molar mass of compound a is 60.05 g/mol and compound b is 180.16 g/mol, what are the molecular formulas for these compounds?
The molecular formula of compound A is C₂H₅., the molecular formula for compound B is C₇H₁₄.
What is empirical formula?Empirical formula is the most straightforward formula for a compound and provides the ratio of various atoms found in each compound molecule.
The empirical formula for the two compounds is CH₂. To determine the molecular formula, we need to know the molar mass of the compounds.
If the molar mass of compound A is 60.05 g/mol, and the empirical formula is CH₂, we can calculate the molecular formula by dividing the molar mass by the molar mass of the empirical formula.
60.05 g/mol / (12.01 g/mol + 2 x 1.01 g/mol) = 2.5
Therefore, the molecular formula for compound A is C₂H₅
Similarly, if the molar mass of compound B is 180.16 g/mol, and the empirical formula is CH₂, we can calculate the molecular formula by dividing the molar mass by the molar mass of the empirical formula.
180.16 g/mol / (12.01 g/mol + 2 x 1.01 g/mol) = 7.5
Therefore, the molecular formula for compound B is C₇H₁₄.
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According to the tile, how many moles of CO react with one mole of Fe2O3?
Answer: 3 Moles
Explanation: The reaction suggests that 1 mol of Fe₂O₃ reacts with 3 moles of CO and forms 2 moles of Fe and 3 moles of CO₂. If 1 mol of Fe₂O₃ reacts with 3 moles of CO. Hence, 5.25 mol of CO reacts with 1.75 moles of Fe₂O₃.
Would it be more easy for a ball bearing to fall through a beaker of hot or cold honey
It would be more difficult for a ball bearing to fall through a beaker of hot honey than cold honey. This is because hot liquids are more viscous (thicker) than cold liquids, so the hot honey would provide more resistance to the ball bearing as it falls through.
What does temperature affect the viscosity of honey?Viscosity is a measure of a fluid's resistance to flow. Honey is a viscous liquid, which means it is thick and flows slowly. The viscosity of honey can be affected by temperature. As the temperature of honey increases, its viscosity decreases, which means it becomes thinner and flows more easily. Conversely, as the temperature of honey decreases, its viscosity increases, which means it becomes thicker and flows more slowly. So, hot honey is less viscous than cold honey.
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Which of the following compounds contains an ion wvith a +3 charge? la) NOa (b) Mn_Oa (c) BaCIO3 (d) FejPz le) all of them have +3 charge
The compound that contains an ion with a +3 charge is FejPz. So option D is correct.
FejPz is an Iron(III) Phosphide, and the Iron ion in it has a +3 charge. Iron can have multiple oxidation states and the +3 oxidation state is one of them.
NOa is Nitrite, Nitrite is a neutral compound and doesn't contain any ion with a +3 charge
Mn_Oa is Manganese (IV) oxide, and Manganese in it has a +4 charge.
BaCIO3 is Barium Carbonate which is a neutral compound as well and doesn't contain any ion with a +3 charge.
Therefore, the compound FejPz is the one containing an ion with a +3 charge.
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how many molecules of nadph are required for 12 molecules of rubp to be carboxylated by rubisco?
The six carbon compound formed when carbon dioxide and RuBP react immediately breaks down into two molecules of 3-phosphoglycerate, the Calvin cycle's first stable product.
What is carboxylation?Carboxylation is a chemical reaction that produces a carboxylic acid by exposing a substrate to carbon dioxide. Decarboxylation is the inverse reaction. Carbonylation (carboxylation) is the reaction in which an organic compound reacts with carbon monoxide, and carbonylation refers to reactions in which carbon monoxide is introduced into organic and inorganic compounds. Decarboxylation is a reaction in which carboxylic acids remove a carbon atom from a carbon chain. Carboxylation is a completely reversible process that occurs as the first chemical step in photosynthesis and involves the addition of CO2 to the compound.
Here,
When carbon dioxide and RuBP react, the six carbon compound formed immediately degrades into two molecules of 3-phosphoglycerate, the Calvin cycle's first stable product.
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a 5.00 g sample of water is heated so that its temperature increases from 10.0oc to 15.0oc. what is the total amount of energy absorbed by the water?
The amount of energy that the water has absorbed, according to the question, is 105 joules.
Where is the hottest spot on Earth?However, Mildrexler, who wasn't engaged in the current study, claims that the Lut Desert has truly arisen as the hottest site on Earth due to its "consistently hot imprint over a broad region."
Mass of water = 5 grams
Temperature change equals 10 ° from 15 degrees.
The formula for the amount of heat is as follows:
Q = m x c x Δθ
Where m =mass
c = specific heat capacity and
Δθ = change in temperature
c = 4.2J/g/degrees
Q = 5 x 4.2 x 5
Q = 105Joules
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(scientific reason)
how does temperature affect on concentration of sodium hydroxide solution?
Answer: the hotter the temperature the less solubility.
Explanation:
if it is cold it will be solid but the hotter it gets the less solid it will get if that makes sense.
The solubilization curve is shifted towards lower NaOH concentration with the increase of temperature.
What is the effect of temperature on NaOH ?The dissolution of NaOH in water is produced in exothermic in nature. If the temperature is increases, the equilibrium will shift towards the backward direction. Therefore, to nullify the effect of increased in temperature, This will decrease the solubility of NaOH.
With a larger number of particles present, there is likely to be a more number of collisions and a faster rate of reaction occur. The rate of reaction increases as the temperature is increases. When the concentration increases, the number of reactant particles also increases.
Thus, The solubilization curve is shifted towards lower NaOH concentration with the increase in temperature.
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4 importance of alkene our daily life?
1.) Alkenes are important building blocks in organic synthesis. They are widely used as starting materials for the preparation of other organic compounds, such as alcohols, ethers, and aldehydes.
2.) Alkenes are widely used in the polymer industry to make a wide range of plastics, such as polyethylene and polypropylene, which are used in packaging, textiles, and consumer goods.
3.) Alkenes are used in catalytic processes, such as catalytic cracking and dehydrogenation, to produce important chemicals such as gasoline, diesel fuel, and ethylene, which are used in the production of many other chemicals.
4.) Alkenes are also important in petrochemical industry as starting materials for the production of many other chemicals such as solvents, lubricants, and other products. Alkenes are also used as intermediates in the synthesis of fine chemicals such as pharmaceuticals, agrochemicals and fragrances.
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the average charge on an amino acid below its pi will be positive. the average charge on an amino acid below its pi will be positive. true false
The claim is accurate. Below its pi, an amino acid will have a positive average charge. Below its pi, an amino acid will often have a positive average charge.
What function do amino acids serve?Body protein as well as other vital nitrogen-containing substances including creatine, steroid hormones, and also some neurotransmitter cannot be produced without amino acids. Although limitations are expressed in terms of protein, amino acids are a biological necessity.
A protein or an amino acid?A protein is made up of one or more polypeptide chains—chains of amino acids—whose sequence is encoded by a gene. While the body can synthesis some amino acids, essential amino acids cannot and must be received from diet.
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how many d electrons can there be in an energy level ?
10 electrons can there be in energy level
How to determine that?The d sublevel has 5 orbitals, so can contain 10 electrons max.
Electrons exist around the nucleus of an atom in discrete, specific orbits.
Electrons can not just exist at any distance from the nucleus. These orbits
are called levels and we number them 1, 2, 3, 4, and so forth with the 1st
level being the orbit closest to the nucleus.
The levels can be broken down into sublevels. We have s, p, d, and f
sublevels. Level one has one sublevel – an s. Level 2 has 2 sublevels - s
and p. Level 3 has 3 sublevels - s, p, and d. Level 4 has 4 sublevels - s, p,
d, and f. The sublevels contain orbitals. Orbitals are spaces that have a high
probability of containing an electron. In other words, an orbital is an area
where the electrons live. There can be two electrons in one orbital
maximum. The s sublevel has just one orbital, so can contain 2 electrons
max. The p sublevel has 3 orbitals, so can contain 6 electrons max. The d
sublevel has 5 orbitals, so can contain 10 electrons max. And the 4 sublevel has 7 orbitals, so can contain 14 electrons
max.
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